#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>

int main() 
{ 

#ifdef FILEIO
  //  freopen("in.txt","r",stdin); 
  freopen("in.txt","w",stdout); 
#endif

  int N = 20;
  int i = 0;
  //  int j = 0;
  //  for(j = 0;j<N;j++)
  printf("%d\n",N);
  for(i = 0;i<N;i++)
    {
      printf("%ld ",random()%100);
    }


#ifdef FILEIO
  //  fclose(stdin);
  fclose(stdout);
#endif
  
  return 0; 
} 
